Inventor · disambiguated record
Karl Frank
Also filed as: FRANK KARL · FRANK KARL F · FRANK KARL FREDERICK · FRANK LEGAL REPRESENTATIVE KAR
4 granted patents·24 citations·filing 1978–2006
73Inventor score
Files withFRANK KARL F1FRANK KARL FREDERICK1FRANK LEGAL REPRESENTATIVE KAR1TELEFONBAU & NORMALZEIT GMBH1
Top patents by PatentIndex Score
4 records- 0161US7159830B2Grip tipFRANK LEGAL REPRESENTATIVE KAR·Filed 2004·Granted Jan 9, 2007·10 cites·15 claims
- 0243US7681849B2Grip tipFRANK KARL FREDERICK·Filed 2006·Granted Mar 23, 2010·1 cites·15 claims
- 0339US4225857ASpring loop door and window alarm switchFRANK KARL F·Filed 1978·Granted Sep 30, 1980·9 cites·6 claims
- 0434US4326108AHook switch for telephone instrumentsTELEFONBAU & NORMALZEIT GMBH·Filed 1980·Granted Apr 20, 1982·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →